#579B31
Closest named color: Grass Green (#3F9B0B). oklch(62.2% 0.156 136.4), rgb(87, 155, 49).
Aa
Black text reads best on this color (6.13:1).
About this color
#579B31 is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.156 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.033 away. Black text reads best on it, at 6.13:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 6.13:1 |
| White text | 3.42:1 |
Values
| HEX | #579B31 |
| RGB | rgb(87, 155, 49) |
| HSL | hsl(98, 52%, 40%) |
| OKLCH | oklch(62.2% 0.156 136.4) |
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 #579B31 | 3.42:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #579B31 | 6.13:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #579B31 text on white | 3.42:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #579B31 text on black | 6.13:1 | AA | Lc -40.2 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDF
oklch(93.7% 0.023 137.2)
-
Step 200
200
#CDE0C5
oklch(88.5% 0.042 136.3)
-
Step 300
300
#AACC9C
oklch(80.8% 0.075 136.7)
-
Step 400
400
#7DB264
oklch(70.8% 0.121 136.3)
-
Step 500
500 (this color)
#579B31
oklch(62.2% 0.156 136.4)
-
Step 600
600
#3F8800
oklch(55.7% 0.167 136.3)
-
Step 700
700
#347200
oklch(49.1% 0.147 136.3)
-
Step 800
800
#295E00
oklch(42.8% 0.128 136.5)
-
Step 900
900
#254D0D
oklch(37.7% 0.102 136.5)
-
Step 950
950
#172D0A
oklch(26.9% 0.064 135.8)
#579B31 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) | #A08E22 | 0.097 |
| Deuteranopia (no green cones) | #97893A | 0.097 |
| Tritanopia (no blue cones) | #549585 | 0.111 |
| Achromatopsia (no color) | #8B8B8B | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #579B31
#579B31
oklch(62.2% 0.156 136.4)
- #AB65C5
#AB65C5
oklch(62.2% 0.156 316.3)
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 #579B31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.033
- Grassy Green #419C03 ΔE 0.033
- Mid Green #50A747 ΔE 0.034
- Muted Green #5FA052 ΔE 0.035
- Flat Green #699D4C ΔE 0.036
- Olive Drab #6B8E23 ΔE 0.039
- Dark Yellow Green #728F02 ΔE 0.040
- Sap Green #5C8B15 ΔE 0.045
Use #579B31 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.