#55831B
Closest named color: Sap Green (#5C8B15). oklch(55.6% 0.139 131.1), rgb(85, 131, 27).
Aa
Black text reads best on this color (4.64:1).
About this color
#55831B is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.139 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.027 away. Black text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 4.64:1 |
| White text | 4.51:1 |
Values
| HEX | #55831B |
| RGB | rgb(85, 131, 27) |
| HSL | hsl(87, 66%, 31%) |
| OKLCH | oklch(55.6% 0.139 131.1) |
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 #55831B | 4.51:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #55831B | 4.64:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #55831B text on white | 4.51:1 | AA | Lc 71.2 | Content text, not long reading |
| #55831B text on black | 4.64:1 | AA | Lc -30.5 | Non-text elements, placeholder text |
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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E6EDE0
oklch(93.7% 0.019 130.2)
-
Step 200
200
#D1DEC7
oklch(88.4% 0.034 131.4)
-
Step 300
300
#B2CA9F
oklch(81% 0.064 131.5)
-
Step 400
400
#8AAE6A
oklch(70.7% 0.102 131.3)
-
Step 500
500
#6D9940
oklch(63.1% 0.129 131.2)
-
Step 600
600 (this color)
#55831B
oklch(55.6% 0.139 131.1)
-
Step 700
700
#456F0A
oklch(49.2% 0.13 131.3)
-
Step 800
800
#395A0F
oklch(42.6% 0.107 131.1)
-
Step 900
900
#314A16
oklch(37.6% 0.083 131.2)
-
Step 950
950
#1D2C0E
oklch(27.1% 0.054 131.3)
#55831B 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) | #897901 | 0.074 |
| Deuteranopia (no green cones) | #837526 | 0.077 |
| Tritanopia (no blue cones) | #577D70 | 0.108 |
| Achromatopsia (no color) | #767676 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55831B
#55831B
oklch(55.6% 0.139 131.1)
- #8D58AE
#8D58AE
oklch(55.5% 0.139 311.1)
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 #55831B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.027
- Olive Green #677A04 ΔE 0.031
- Mossy Green #638B27 ΔE 0.031
- Dark Grass Green #388004 ΔE 0.035
- Murky Green #6C7A0E ΔE 0.036
- Moss Green #658B38 ΔE 0.039
- Swamp #698339 ΔE 0.039
- Fern Green #548D44 ΔE 0.040
Use #55831B 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.