#31451D
Closest named color: Dark Olive (#373E02). oklch(36.3% 0.068 131), rgb(49, 69, 29).
Aa
White text reads best on this color (10.50:1).
About this color
#31451D is a dark, muted green. In OKLCH its lightness is 36%, its chroma 0.068 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.027 away. White text reads best on it, at 10.50:1.
| Hue family | Greens |
| Lightness | dark (36%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.99:1 |
| White text | 10.50:1 |
Values
| HEX | #31451D |
| RGB | rgb(49, 69, 29) |
| HSL | hsl(90, 41%, 19%) |
| OKLCH | oklch(36.3% 0.068 131) |
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 #31451D | 10.50:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #31451D | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #31451D text on white | 10.50:1 | AAA | Lc 94.3 | Preferred for body text |
| #31451D text on black | 1.99:1 | Fails | Lc -8.3 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D3DDCA
oklch(88.5% 0.028 129.8)
-
Step 300
300
#B5C8A6
oklch(80.9% 0.051 131.4)
-
Step 400
400
#8FAB76
oklch(70.6% 0.08 130.8)
-
Step 500
500
#739651
oklch(63% 0.104 130.9)
-
Step 600
600
#5B8035
oklch(55.5% 0.112 131.1)
-
Step 700
700
#4B6C27
oklch(49% 0.104 130.9)
-
Step 800
800
#3E5822
oklch(42.6% 0.086 130.7)
-
Step 900
900 (this color)
#31451D
oklch(36.3% 0.068 131)
-
Step 950
950
#1F2B14
oklch(27.1% 0.043 131.3)
#31451D 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) | #484019 | 0.038 |
| Deuteranopia (no green cones) | #453F20 | 0.038 |
| Tritanopia (no blue cones) | #32423C | 0.052 |
| Achromatopsia (no color) | #3F3F3F | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31451D
#31451D
oklch(36.3% 0.068 131)
- #493358
#493358
oklch(36.3% 0.068 310.7)
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 #31451D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.027
- Pine Green #0A481E ΔE 0.036
- Evergreen #05472A ΔE 0.038
- Forrest Green #154406 ΔE 0.043
- British Racing Green #05480D ΔE 0.047
- Darkgreen #054907 ΔE 0.050
- Hunter Green #0B4008 ΔE 0.052
- Bottle Green #044A05 ΔE 0.052
Use #31451D 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.