#288003
Closest named color: Dark Grass Green (#388004). oklch(52.7% 0.167 139.7), rgb(40, 128, 3).
Aa
White text reads best on this color (5.02:1).
About this color
#288003 is a medium-dark, vivid green. In OKLCH its lightness is 53%, its chroma 0.167 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.012 away. White text reads best on it, at 5.02:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.17:1 |
| White text | 5.02:1 |
Values
| HEX | #288003 |
| RGB | rgb(40, 128, 3) |
| HSL | hsl(102, 95%, 26%) |
| OKLCH | oklch(52.7% 0.167 139.7) |
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 #288003 | 5.02:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #288003 | 4.17:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #288003 text on white | 5.02:1 | AA | Lc 74.2 | Content text, not long reading |
| #288003 text on black | 4.17:1 | AA large text | Lc -27.5 | Dividers and decoration only |
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 600.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EEE0
oklch(93.7% 0.022 139)
-
Step 200
200
#CBE0C6
oklch(88.4% 0.042 139.7)
-
Step 300
300
#A8CD9F
oklch(80.9% 0.075 139.6)
-
Step 400
400
#77B369
oklch(70.7% 0.121 139.8)
-
Step 500
500
#529F3E
oklch(63.1% 0.153 139.6)
-
Step 600
600 (this color)
#288003
oklch(52.7% 0.167 139.7)
-
Step 700
700
#247403
oklch(49.1% 0.155 139.6)
-
Step 800
800
#205F0B
oklch(42.8% 0.129 139.7)
-
Step 900
900
#204E14
oklch(37.8% 0.101 139.8)
-
Step 950
950
#142E0D
oklch(27.1% 0.065 139.5)
#288003 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) | #847300 | 0.113 |
| Deuteranopia (no green cones) | #7A6C19 | 0.112 |
| Tritanopia (no blue cones) | #197B6C | 0.114 |
| Achromatopsia (no color) | #6F6F6F | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288003
#288003
oklch(52.7% 0.167 139.7)
- #9343A6
#9343A6
oklch(52.7% 0.167 319.5)
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 #288003, closest first.
No curated palette has a color within ΔE 0.04 of #288003.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.012
- Tree Green #2A7E19 ΔE 0.012
- Green #008000 ΔE 0.015
- Forest Green #228B22 ΔE 0.033
- Emerald Green #028F1E ΔE 0.043
- Jungle Green #048243 ΔE 0.046
- Kelley Green #009337 ΔE 0.057
- True Green #089404 ΔE 0.059
Use #288003 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.