#283F1B
Closest named color: Dark Olive (#373E02). oklch(33.9% 0.065 135.4), rgb(40, 63, 27).
Aa
White text reads best on this color (11.55:1).
About this color
#283F1B is a dark, muted green. In OKLCH its lightness is 34%, its chroma 0.065 and its hue 135°. 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 11.55:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.81:1 |
| White text | 11.55:1 |
Values
| HEX | #283F1B |
| RGB | rgb(40, 63, 27) |
| HSL | hsl(98, 40%, 18%) |
| OKLCH | oklch(33.9% 0.065 135.4) |
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 #283F1B | 11.55:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #283F1B | 1.81:1 | Fails | Lc 7.4 | Not readable |
| #283F1B text on white | 11.55:1 | AAA | Lc 96.5 | Preferred for body text |
| #283F1B text on black | 1.81:1 | Fails | Lc 0.0 | 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
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D1DDCC
oklch(88.4% 0.026 136.3)
-
Step 300
300
#B3C8A9
oklch(80.8% 0.048 135.5)
-
Step 400
400
#8BAC7B
oklch(70.7% 0.078 135.7)
-
Step 500
500
#6E9758
oklch(63% 0.1 135.3)
-
Step 600
600
#56813D
oklch(55.5% 0.109 135.2)
-
Step 700
700
#466D2F
oklch(49% 0.101 135.3)
-
Step 800
800
#3A5928
oklch(42.7% 0.084 135.2)
-
Step 900
900 (this color)
#283F1B
oklch(33.9% 0.065 135.4)
-
Step 950
950
#1D2B16
oklch(27% 0.042 135.8)
#283F1B 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) | #413A18 | 0.041 |
| Deuteranopia (no green cones) | #3E381D | 0.041 |
| Tritanopia (no blue cones) | #283D37 | 0.047 |
| Achromatopsia (no color) | #393939 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #283F1B
#283F1B
oklch(33.9% 0.065 135.4)
- #442C4F
#442C4F
oklch(33.7% 0.067 314.6)
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 #283F1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.027
- Pakistan Green #283618 ΔE 0.030
- Evergreen #05472A ΔE 0.034
- Pine Green #0A481E ΔE 0.036
- Forrest Green #154406 ΔE 0.038
- Hunter Green #0B4008 ΔE 0.038
- British Racing Green #05480D ΔE 0.047
- Darkgreen #054907 ΔE 0.052
Use #283F1B 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.