#283F03
Closest named color: Dark Olive (#373E02). oklch(33.6% 0.087 129.5), rgb(40, 63, 3).
Aa
White text reads best on this color (11.65:1).
About this color
#283F03 is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.087 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.022 away. White text reads best on it, at 11.65:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.80:1 |
| White text | 11.65:1 |
Values
| HEX | #283F03 |
| RGB | rgb(40, 63, 3) |
| HSL | hsl(83, 91%, 13%) |
| OKLCH | oklch(33.6% 0.087 129.5) |
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 #283F03 | 11.65:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #283F03 | 1.80:1 | Fails | Lc 0.0 | Not readable |
| #283F03 text on white | 11.65:1 | AAA | Lc 96.6 | Preferred for body text |
| #283F03 text on black | 1.80:1 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E6EDDF
oklch(93.7% 0.02 128.7)
-
Step 200
200
#D1DEC5
oklch(88.4% 0.036 129.7)
-
Step 300
300
#B3C99D
oklch(80.8% 0.065 129.4)
-
Step 400
400
#8CAE66
oklch(70.8% 0.105 129.4)
-
Step 500
500
#6F9939
oklch(63.2% 0.134 129.6)
-
Step 600
600
#57830B
oklch(55.7% 0.145 129.6)
-
Step 700
700
#486E00
oklch(49.1% 0.131 129.4)
-
Step 800
800
#3B5A04
oklch(42.7% 0.111 129.3)
-
Step 900
900 (this color)
#283F03
oklch(33.6% 0.087 129.5)
-
Step 950
950
#1E2C0C
oklch(27.2% 0.056 129.4)
#283F03 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) | #433900 | 0.046 |
| Deuteranopia (no green cones) | #3F3809 | 0.044 |
| Tritanopia (no blue cones) | #2A3C34 | 0.067 |
| Achromatopsia (no color) | #383838 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #283F03
#283F03
oklch(33.6% 0.087 129.5)
- #442858
#442858
oklch(33.5% 0.087 309.4)
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 #283F03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.022
- Forrest Green #154406 ΔE 0.024
- Hunter Green #0B4008 ΔE 0.027
- Pine Green #0A481E ΔE 0.035
- British Racing Green #05480D ΔE 0.036
- Racing Green #014600 ΔE 0.037
- Darkgreen #054907 ΔE 0.039
- Pakistan Green #283618 ΔE 0.042
Use #283F03 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.