#283B01
Closest named color: Dark Olive (#373E02). oklch(32.4% 0.083 127.2), rgb(40, 59, 1).
Aa
White text reads best on this color (12.23:1).
About this color
#283B01 is a dark, moderately saturated green. In OKLCH its lightness is 32%, its chroma 0.083 and its hue 127°. 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 12.23:1.
| Hue family | Greens |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.71:1 |
| White text | 12.23:1 |
Values
| HEX | #283B01 |
| RGB | rgb(40, 59, 1) |
| HSL | hsl(80, 97%, 12%) |
| OKLCH | oklch(32.4% 0.083 127.2) |
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 #283B01 | 12.23:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #283B01 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #283B01 text on white | 12.23:1 | AAA | Lc 97.8 | Preferred for body text |
| #283B01 text on black | 1.71:1 | 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
#F4F7F1
oklch(97.2% 0.009 128.6)
-
Step 100
100
#E6ECE0
oklch(93.5% 0.017 128.7)
-
Step 200
200
#D3DEC6
oklch(88.6% 0.034 127.3)
-
Step 300
300
#B6C99E
oklch(81% 0.062 127.1)
-
Step 400
400
#90AC67
oklch(70.7% 0.099 126.8)
-
Step 500
500
#74973B
oklch(63% 0.127 127.3)
-
Step 600
600
#5D8110
oklch(55.6% 0.138 127.1)
-
Step 700
700
#4D6D00
oklch(49.1% 0.127 127.1)
-
Step 800
800
#3F5907
oklch(42.7% 0.106 127.1)
-
Step 900
900 (this color)
#283B01
oklch(32.4% 0.083 127.2)
-
Step 950
950
#1F2B0D
oklch(27% 0.052 127.7)
#283B01 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) | #3F3600 | 0.040 |
| Deuteranopia (no green cones) | #3C3506 | 0.039 |
| Tritanopia (no blue cones) | #2A3831 | 0.066 |
| Achromatopsia (no color) | #353535 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #283B01
#283B01
oklch(32.4% 0.083 127.2)
- #3F2654
#3F2654
oklch(32.3% 0.083 307.5)
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 #283B01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.027
- Hunter Green #0B4008 ΔE 0.029
- Pakistan Green #283618 ΔE 0.032
- Forrest Green #154406 ΔE 0.033
- Pine Green #0A481E ΔE 0.045
- Racing Green #014600 ΔE 0.046
- British Racing Green #05480D ΔE 0.046
- Darkgreen #054907 ΔE 0.050
Use #283B01 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.