#579138
Closest named color: Fern Green (#548D44). oklch(59.7% 0.136 136.2), rgb(87, 145, 56).
Aa
Black text reads best on this color (5.51:1).
About this color
#579138 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.136 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.020 away. Black text reads best on it, at 5.51:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #579138 |
| RGB | rgb(87, 145, 56) |
| HSL | hsl(99, 44%, 39%) |
| OKLCH | oklch(59.7% 0.136 136.2) |
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 #579138 | 3.80:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #579138 | 5.51:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #579138 text on white | 3.80:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #579138 text on black | 5.51:1 | AA | Lc -36.2 | 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 500.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CEDFC7
oklch(88.4% 0.037 136.5)
-
Step 300
300
#ADCBA0
oklch(80.9% 0.067 136.3)
-
Step 400
400
#82B06C
oklch(70.7% 0.107 136)
-
Step 500
500 (this color)
#579138
oklch(59.7% 0.136 136.2)
-
Step 600
600
#47861F
oklch(55.7% 0.149 136.1)
-
Step 700
700
#387110
oklch(49.1% 0.138 136.1)
-
Step 800
800
#2F5C12
oklch(42.6% 0.114 136)
-
Step 900
900
#2A4C18
oklch(37.8% 0.089 136.4)
-
Step 950
950
#192D0F
oklch(27.2% 0.057 136.3)
#579138 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) | #96862E | 0.085 |
| Deuteranopia (no green cones) | #8E813F | 0.086 |
| Tritanopia (no blue cones) | #558C7E | 0.097 |
| Achromatopsia (no color) | #838383 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #579138
#579138
oklch(59.7% 0.136 136.2)
- #9F63B5
#9F63B5
oklch(59.7% 0.136 316.5)
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 #579138, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.020
- Mossy Green #638B27 ΔE 0.020
- Moss Green #658B38 ΔE 0.022
- Olive Drab #6B8E23 ΔE 0.024
- Sap Green #5C8B15 ΔE 0.025
- Light Forest Green #4F9153 ΔE 0.029
- Dark Yellow Green #728F02 ΔE 0.036
- Khaki Green #728639 ΔE 0.044
Use #579138 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.