#28633B
Closest named color: Pine (#2B5D34). oklch(44.9% 0.09 151.6), rgb(40, 99, 59).
Aa
White text reads best on this color (7.14:1).
About this color
#28633B is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.090 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.019 away. White text reads best on it, at 7.14:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.93:1 |
| White text | 7.14:1 |
Values
| HEX | #28633B |
| RGB | rgb(40, 99, 59) |
| HSL | hsl(139, 42%, 27%) |
| OKLCH | oklch(44.9% 0.09 151.6) |
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 #28633B | 7.14:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #28633B | 2.93:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #28633B text on white | 7.14:1 | AAA | Lc 84.6 | Fine for body text |
| #28633B text on black | 2.93:1 | Fails | Lc -17.4 | 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 800.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD0
oklch(88.5% 0.029 151.9)
-
Step 300
300
#A8CBB0
oklch(80.9% 0.053 151.9)
-
Step 400
400
#79B086
oklch(70.7% 0.084 151.2)
-
Step 500
500
#539C68
oklch(63.1% 0.108 151.6)
-
Step 600
600
#34864F
oklch(55.5% 0.117 151.5)
-
Step 700
700
#257240
oklch(49.2% 0.109 151.6)
-
Step 800
800 (this color)
#28633B
oklch(44.9% 0.09 151.6)
-
Step 900
900
#214C2E
oklch(37.7% 0.07 151.5)
-
Step 950
950
#142D1B
oklch(27.1% 0.046 151.4)
#28633B 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) | #635B38 | 0.076 |
| Deuteranopia (no green cones) | #5B553E | 0.076 |
| Tritanopia (no blue cones) | #186259 | 0.047 |
| Achromatopsia (no color) | #585858 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28633B
#28633B
oklch(44.9% 0.09 151.6)
- #71416B
#71416B
oklch(44.8% 0.089 331.6)
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 #28633B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.019
- Spruce #0A5F38 ΔE 0.024
- Dark Green Blue #1F6357 ΔE 0.043
- Army Green #4B5D16 ΔE 0.047
- Camouflage Green #4B6113 ΔE 0.049
- Camo Green #526525 ΔE 0.052
- Navy Green #35530A ΔE 0.059
- Dark Olive Green #556B2F ΔE 0.061
Use #28633B 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.