#1B833F
Closest named color: Jungle Green (#048243). oklch(53.7% 0.138 149.7), rgb(27, 131, 63).
Aa
White text reads best on this color (4.81:1).
About this color
#1B833F is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.138 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.009 away. White text reads best on it, at 4.81:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.36:1 |
| White text | 4.81:1 |
Values
| HEX | #1B833F |
| RGB | rgb(27, 131, 63) |
| HSL | hsl(141, 66%, 31%) |
| OKLCH | oklch(53.7% 0.138 149.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1B833F | 4.81:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #1B833F | 4.36:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #1B833F text on white | 4.81:1 | AA | Lc 72.9 | Content text, not long reading |
| #1B833F text on black | 4.36:1 | AA large text | Lc -28.8 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CD
oklch(88.5% 0.035 149.3)
-
Step 300
300
#A5CCAC
oklch(80.8% 0.061 150.1)
-
Step 400
400
#72B27F
oklch(70.7% 0.099 149.7)
-
Step 500
500
#499E5F
oklch(63% 0.125 149.9)
-
Step 600
600 (this color)
#1B833F
oklch(53.7% 0.138 149.7)
-
Step 700
700
#137436
oklch(49.1% 0.128 149.8)
-
Step 800
800
#155E2D
oklch(42.6% 0.106 149.8)
-
Step 900
900
#1B4D29
oklch(37.6% 0.081 149.9)
-
Step 950
950
#112D18
oklch(26.9% 0.052 149.8)
#1B833F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #847739 | 0.113 |
| Deuteranopia (no green cones) | #786F44 | 0.111 |
| Tritanopia (no blue cones) | #008173 | 0.076 |
| Achromatopsia (no color) | #727272 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B833F
#1B833F
oklch(53.7% 0.138 149.7)
- #994C94
#994C94
oklch(53.8% 0.139 329.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B833F, closest first.
No curated palette has a color within ΔE 0.04 of #1B833F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.009
- Tree Green #2A7E19 ΔE 0.033
- Sea Green #2E8B57 ΔE 0.038
- Dark Grass Green #388004 ΔE 0.040
- Forest Green #228B22 ΔE 0.042
- Green #008000 ΔE 0.047
- Kelley Green #009337 ΔE 0.052
- Emerald Green #028F1E ΔE 0.054
Use #1B833F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.