#588138
Closest named color: Swamp (#698339). oklch(55.6% 0.112 133.3), rgb(88, 129, 56).
Aa
Black text reads best on this color (4.61:1).
About this color
#588138 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.112 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.023 away. Black text reads best on it, at 4.61:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.61:1 |
| White text | 4.55:1 |
Values
| HEX | #588138 |
| RGB | rgb(88, 129, 56) |
| HSL | hsl(94, 39%, 36%) |
| OKLCH | oklch(55.6% 0.112 133.3) |
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 #588138 | 4.55:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #588138 | 4.61:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #588138 text on white | 4.55:1 | AA | Lc 71.5 | Content text, not long reading |
| #588138 text on black | 4.61:1 | AA | Lc -30.2 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D2DDCB
oklch(88.4% 0.027 133)
-
Step 300
300
#B4C8A7
oklch(80.9% 0.05 133.1)
-
Step 400
400
#8DAC78
oklch(70.8% 0.081 133.2)
-
Step 500
500
#709754
oklch(63.1% 0.104 133.3)
-
Step 600
600 (this color)
#588138
oklch(55.6% 0.112 133.3)
-
Step 700
700
#486D2A
oklch(49.1% 0.105 133.2)
-
Step 800
800
#3B5924
oklch(42.7% 0.087 133.4)
-
Step 900
900
#334922
oklch(37.6% 0.068 132.9)
-
Step 950
950
#1E2B15
oklch(27% 0.042 133.5)
#588138 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) | #867831 | 0.066 |
| Deuteranopia (no green cones) | #80753D | 0.066 |
| Tritanopia (no blue cones) | #587C71 | 0.084 |
| Achromatopsia (no color) | #767676 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588138
#588138
oklch(55.6% 0.112 133.3)
- #8A5EA2
#8A5EA2
oklch(55.6% 0.113 312.9)
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 #588138, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.023
- Military Green #667C3E ΔE 0.026
- Olive Green #677A04 ΔE 0.034
- Fern Green #548D44 ΔE 0.034
- Murky Green #6C7A0E ΔE 0.034
- Dark Sage #598556 ΔE 0.035
- Moss Green #658B38 ΔE 0.036
- Khaki Green #728639 ΔE 0.039
Use #588138 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.