#579F01
Closest named color: Grassy Green (#419C03). oklch(63% 0.181 134), rgb(87, 159, 1).
Aa
Black text reads best on this color (6.36:1).
About this color
#579F01 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.181 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.022 away. Black text reads best on it, at 6.36:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.36:1 |
| White text | 3.29:1 |
Values
| HEX | #579F01 |
| RGB | rgb(87, 159, 1) |
| HSL | hsl(87, 99%, 31%) |
| OKLCH | oklch(63% 0.181 134) |
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 #579F01 | 3.29:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #579F01 | 6.36:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #579F01 text on white | 3.29:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #579F01 text on black | 6.36:1 | AA | Lc -41.7 | 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
#F2F7EF
oklch(97% 0.012 133.4)
-
Step 100
100
#E3EEDD
oklch(93.6% 0.025 134.3)
-
Step 200
200
#CCE1C0
oklch(88.5% 0.05 134.1)
-
Step 300
300
#A9CE93
oklch(81% 0.089 134.2)
-
Step 400
400
#7BB353
oklch(70.6% 0.141 133.9)
-
Step 500
500 (this color)
#579F01
oklch(63% 0.181 134)
-
Step 600
600
#488600
oklch(55.6% 0.16 134.1)
-
Step 700
700
#3C7100
oklch(49.2% 0.141 134)
-
Step 800
800
#305C00
oklch(42.6% 0.122 134)
-
Step 900
900
#274D00
oklch(37.7% 0.108 134.1)
-
Step 950
950
#162E02
oklch(27.1% 0.075 134)
#579F01 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) | #A69100 | 0.108 |
| Deuteranopia (no green cones) | #9C8B1F | 0.105 |
| Tritanopia (no blue cones) | #569886 | 0.133 |
| Achromatopsia (no color) | #8D8D8D | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #579F01
#579F01
oklch(63% 0.181 134)
- #B061D4
#B061D4
oklch(63% 0.181 314.1)
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 #579F01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.022
- Grass Green #3F9B0B ΔE 0.025
- Leaf Green #5CA904 ΔE 0.030
- Grass #5CAC2D ΔE 0.039
- Mid Green #50A747 ΔE 0.040
- Kelly Green #02AB2E ΔE 0.045
- Medium Green #39AD48 ΔE 0.047
- Leaf #71AA34 ΔE 0.050
Use #579F01 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.