#578231
Closest named color: Swamp (#698339). oklch(55.7% 0.121 132.7), rgb(87, 130, 49).
Aa
Black text reads best on this color (4.64:1).
About this color
#578231 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.121 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.026 away. Black text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.64:1 |
| White text | 4.52:1 |
Values
| HEX | #578231 |
| RGB | rgb(87, 130, 49) |
| HSL | hsl(92, 45%, 35%) |
| OKLCH | oklch(55.7% 0.121 132.7) |
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 #578231 | 4.52:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #578231 | 4.64:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #578231 text on white | 4.52:1 | AA | Lc 71.3 | Content text, not long reading |
| #578231 text on black | 4.64:1 | AA | Lc -30.4 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D2DEC9
oklch(88.6% 0.031 131.6)
-
Step 300
300
#B3C9A5
oklch(81% 0.055 133.3)
-
Step 400
400
#8CAD74
oklch(70.8% 0.087 132.7)
-
Step 500
500
#6F984E
oklch(63.2% 0.112 132.6)
-
Step 600
600 (this color)
#578231
oklch(55.7% 0.121 132.7)
-
Step 700
700
#476E23
oklch(49.2% 0.113 132.6)
-
Step 800
800
#3A591F
oklch(42.6% 0.093 132.8)
-
Step 900
900
#324A1F
oklch(37.8% 0.073 133)
-
Step 950
950
#1E2B13
oklch(27% 0.045 132)
#578231 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) | #877828 | 0.069 |
| Deuteranopia (no green cones) | #817537 | 0.070 |
| Tritanopia (no blue cones) | #587D71 | 0.091 |
| Achromatopsia (no color) | #767676 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578231
#578231
oklch(55.7% 0.121 132.7)
- #8C5CA6
#8C5CA6
oklch(55.6% 0.122 312.8)
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 #578231, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.026
- Olive Green #677A04 ΔE 0.031
- Fern Green #548D44 ΔE 0.032
- Military Green #667C3E ΔE 0.033
- Murky Green #6C7A0E ΔE 0.033
- Moss Green #658B38 ΔE 0.033
- Mossy Green #638B27 ΔE 0.034
- Sap Green #5C8B15 ΔE 0.037
Use #578231 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.