#1B992D
Closest named color: Irish Green (#019529). oklch(59.7% 0.18 144.5), rgb(27, 153, 45).
Aa
Black text reads best on this color (5.64:1).
About this color
#1B992D is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.180 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.015 away. Black text reads best on it, at 5.64:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.64:1 |
| White text | 3.72:1 |
Values
| HEX | #1B992D |
| RGB | rgb(27, 153, 45) |
| HSL | hsl(129, 70%, 35%) |
| OKLCH | oklch(59.7% 0.18 144.5) |
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 #1B992D | 3.72:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #1B992D | 5.64:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #1B992D text on white | 3.72:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #1B992D text on black | 5.64:1 | AA | Lc -37.5 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E0EFE0
oklch(93.7% 0.026 145.4)
-
Step 200
200
#C6E2C6
oklch(88.5% 0.048 145.2)
-
Step 300
300
#9ED09D
oklch(80.9% 0.088 144.2)
-
Step 400
400
#64B766
oklch(70.7% 0.141 144.4)
-
Step 500
500 (this color)
#1B992D
oklch(59.7% 0.18 144.5)
-
Step 600
600
#008C20
oklch(55.6% 0.177 144.6)
-
Step 700
700
#007619
oklch(49.1% 0.157 144.5)
-
Step 800
800
#006113
oklch(42.8% 0.136 144.5)
-
Step 900
900
#045011
oklch(37.6% 0.116 144.7)
-
Step 950
950
#082F0C
oklch(26.9% 0.074 144.7)
#1B992D 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) | #9C8A1D | 0.133 |
| Deuteranopia (no green cones) | #8E8138 | 0.132 |
| Tritanopia (no blue cones) | #009583 | 0.111 |
| Achromatopsia (no color) | #848484 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B992D
#1B992D
oklch(59.7% 0.18 144.5)
- #B251BA
#B251BA
oklch(59.7% 0.181 324.5)
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 #1B992D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.015
- Kelley Green #009337 ΔE 0.023
- Grass Green #3F9B0B ΔE 0.024
- True Green #089404 ΔE 0.025
- Grassy Green #419C03 ΔE 0.028
- Emerald Green #028F1E ΔE 0.032
- Forest Green #228B22 ΔE 0.041
- Kelly Green #02AB2E ΔE 0.053
Use #1B992D 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.