#1B5033
Closest named color: Dark Blue Green (#005249). oklch(38.7% 0.075 156.2), rgb(27, 80, 51).
Aa
White text reads best on this color (9.36:1).
About this color
#1B5033 is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.075 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.034 away. White text reads best on it, at 9.36:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #1B5033 |
| RGB | rgb(27, 80, 51) |
| HSL | hsl(147, 50%, 21%) |
| OKLCH | oklch(38.7% 0.075 156.2) |
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 #1B5033 | 9.36:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #1B5033 | 2.24:1 | Fails | Lc 12.6 | Not readable |
| #1B5033 text on white | 9.36:1 | AAA | Lc 91.4 | Preferred for body text |
| #1B5033 text on black | 2.24:1 | Fails | Lc -11.0 | Not readable |
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 900.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#C9E0D1
oklch(88.5% 0.032 157.1)
-
Step 300
300
#A4CCB2
oklch(80.9% 0.056 156.4)
-
Step 400
400
#70B289
oklch(70.8% 0.091 156)
-
Step 500
500
#459E6C
oklch(63.1% 0.115 156.2)
-
Step 600
600
#1B8853
oklch(55.5% 0.125 156.1)
-
Step 700
700
#077444
oklch(49.2% 0.117 156.2)
-
Step 800
800
#0F5E38
oklch(42.7% 0.096 156.3)
-
Step 900
900 (this color)
#1B5033
oklch(38.7% 0.075 156.2)
-
Step 950
950
#102D1C
oklch(26.9% 0.048 155.6)
#1B5033 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) | #504A31 | 0.068 |
| Deuteranopia (no green cones) | #484435 | 0.067 |
| Tritanopia (no blue cones) | #064F48 | 0.036 |
| Achromatopsia (no color) | #464646 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B5033
#1B5033
oklch(38.7% 0.075 156.2)
- #5D3453
#5D3453
oklch(38.8% 0.074 336.6)
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 #1B5033, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.034
- Evergreen #05472A ΔE 0.036
- Pine Green #0A481E ΔE 0.039
- Pine #2B5D34 ΔE 0.048
- Spruce #0A5F38 ΔE 0.048
- Dark Teal #014D4E ΔE 0.049
- Navy Green #35530A ΔE 0.051
- British Racing Green #05480D ΔE 0.054
Use #1B5033 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.