#577309
Closest named color: Olive Green (#677A04). oklch(51.5% 0.126 125), rgb(87, 115, 9).
Aa
White text reads best on this color (5.43:1).
About this color
#577309 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 51%, its chroma 0.126 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.032 away. White text reads best on it, at 5.43:1.
| Hue family | Yellows |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #577309 |
| RGB | rgb(87, 115, 9) |
| HSL | hsl(76, 85%, 24%) |
| OKLCH | oklch(51.5% 0.126 125) |
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 #577309 | 5.43:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #577309 | 3.86:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #577309 text on white | 5.43:1 | AA | Lc 77.0 | Fine for body text |
| #577309 text on black | 3.86:1 | AA large text | Lc -24.8 | 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 700.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D4DDC5
oklch(88.4% 0.034 123.9)
-
Step 300
300
#B7C89D
oklch(80.9% 0.061 125.3)
-
Step 400
400
#93AB67
oklch(70.6% 0.096 124.7)
-
Step 500
500
#78963A
oklch(63.1% 0.124 125.1)
-
Step 600
600
#61800D
oklch(55.6% 0.135 125.1)
-
Step 700
700 (this color)
#577309
oklch(51.5% 0.126 125)
-
Step 800
800
#425806
oklch(42.7% 0.104 125)
-
Step 900
900
#384912
oklch(37.8% 0.081 125)
-
Step 950
950
#212B0C
oklch(27.1% 0.052 124.8)
#577309 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) | #7A6B00 | 0.055 |
| Deuteranopia (no green cones) | #766918 | 0.056 |
| Tritanopia (no blue cones) | #5C6D61 | 0.103 |
| Achromatopsia (no color) | #6A6A6A | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577309
#577309
oklch(51.5% 0.126 125)
- #7852A1
#7852A1
oklch(51.5% 0.126 304.6)
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 #577309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.032
- Murky Green #6C7A0E ΔE 0.038
- Muddy Green #657432 ΔE 0.038
- Mud Green #606602 ΔE 0.039
- Browny Green #6F6C0A ΔE 0.039
- Dark Olive Green #556B2F ΔE 0.041
- Brown Green #706C11 ΔE 0.042
- Dark Grass Green #388004 ΔE 0.049
Use #577309 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.