#577901
Closest named color: Olive Green (#677A04). oklch(53% 0.136 126.7), rgb(87, 121, 1).
Aa
White text reads best on this color (5.07:1).
About this color
#577901 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.136 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.023 away. White text reads best on it, at 5.07:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.14:1 |
| White text | 5.07:1 |
Values
| HEX | #577901 |
| RGB | rgb(87, 121, 1) |
| HSL | hsl(77, 98%, 24%) |
| OKLCH | oklch(53% 0.136 126.7) |
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 #577901 | 5.07:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #577901 | 4.14:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #577901 text on white | 5.07:1 | AA | Lc 74.8 | Content text, not long reading |
| #577901 text on black | 4.14:1 | AA large text | Lc -26.9 | Dividers and decoration only |
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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D3DEC6
oklch(88.6% 0.034 127.3)
-
Step 300
300
#B6C89E
oklch(80.8% 0.061 126.6)
-
Step 400
400
#90AC68
oklch(70.7% 0.098 127)
-
Step 500
500
#75973C
oklch(63.1% 0.125 126.9)
-
Step 600
600 (this color)
#577901
oklch(53% 0.136 126.7)
-
Step 700
700
#4E6D00
oklch(49.2% 0.126 126.7)
-
Step 800
800
#405909
oklch(42.8% 0.105 126.7)
-
Step 900
900
#364913
oklch(37.7% 0.081 126.7)
-
Step 950
950
#202B0D
oklch(27.1% 0.052 126.4)
#577901 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) | #807000 | 0.064 |
| Deuteranopia (no green cones) | #7B6E15 | 0.063 |
| Tritanopia (no blue cones) | #5B7366 | 0.109 |
| Achromatopsia (no color) | #6E6E6E | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577901
#577901
oklch(53% 0.136 126.7)
- #8053A9
#8053A9
oklch(53% 0.137 306.5)
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 #577901, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.023
- Murky Green #6C7A0E ΔE 0.031
- Dark Grass Green #388004 ΔE 0.036
- Tree Green #2A7E19 ΔE 0.042
- Muddy Green #657432 ΔE 0.045
- Browny Green #6F6C0A ΔE 0.050
- Military Green #667C3E ΔE 0.051
- Swamp #698339 ΔE 0.052
Use #577901 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.