#579740
Closest named color: Flat Green (#699D4C). oklch(61.3% 0.138 138.2), rgb(87, 151, 64).
Aa
Black text reads best on this color (5.90:1).
About this color
#579740 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.138 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Flat Green (#699D4C), ΔE 0.030 away. Black text reads best on it, at 5.90:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 5.90:1 |
| White text | 3.55:1 |
Values
| HEX | #579740 |
| RGB | rgb(87, 151, 64) |
| HSL | hsl(104, 40%, 42%) |
| OKLCH | oklch(61.3% 0.138 138.2) |
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 #579740 | 3.55:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #579740 | 5.90:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #579740 text on white | 3.55:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #579740 text on black | 5.90:1 | AA | Lc -38.7 | 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
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CDDFC8
oklch(88.4% 0.037 138.9)
-
Step 300
300
#ACCCA1
oklch(81% 0.068 137.7)
-
Step 400
400
#7EB16E
oklch(70.8% 0.108 138.4)
-
Step 500
500 (this color)
#579740
oklch(61.3% 0.138 138.2)
-
Step 600
600
#418724
oklch(55.7% 0.15 138.2)
-
Step 700
700
#327215
oklch(49.1% 0.14 138.2)
-
Step 800
800
#2A5D15
oklch(42.7% 0.116 138.3)
-
Step 900
900
#274C19
oklch(37.6% 0.09 138.1)
-
Step 950
950
#172D10
oklch(27% 0.058 138.6)
#579740 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) | #9B8B37 | 0.091 |
| Deuteranopia (no green cones) | #938646 | 0.091 |
| Tritanopia (no blue cones) | #539284 | 0.096 |
| Achromatopsia (no color) | #888888 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #579740
#579740
oklch(61.3% 0.138 138.2)
- #A667B9
#A667B9
oklch(61.3% 0.137 318.1)
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 #579740, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.030
- Muted Green #5FA052 ΔE 0.031
- Olive Drab #6B8E23 ΔE 0.032
- Fern Green #548D44 ΔE 0.032
- Light Forest Green #4F9153 ΔE 0.033
- Mossy Green #638B27 ΔE 0.035
- Moss Green #658B38 ΔE 0.035
- Sap Green #5C8B15 ΔE 0.039
Use #579740 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.