#009B57
Closest named color: Kelley Green (#009337). oklch(60.5% 0.151 154.6), rgb(0, 155, 87).
Aa
Black text reads best on this color (5.82:1).
About this color
#009B57 is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.151 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.038 away. Black text reads best on it, at 5.82:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 5.82:1 |
| White text | 3.60:1 |
Values
| HEX | #009B57 |
| RGB | rgb(0, 155, 87) |
| HSL | hsl(154, 100%, 30%) |
| OKLCH | oklch(60.5% 0.151 154.6) |
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 #009B57 | 3.60:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #009B57 | 5.82:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #009B57 text on white | 3.60:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #009B57 text on black | 5.82:1 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#DFEEE4
oklch(93.5% 0.021 156.8)
-
Step 200
200
#C5E2CD
oklch(88.6% 0.042 154)
-
Step 300
300
#9BCFAC
oklch(80.9% 0.073 155)
-
Step 400
400
#5EB67F
oklch(70.7% 0.118 154.5)
-
Step 500
500 (this color)
#009B57
oklch(60.5% 0.151 154.6)
-
Step 600
600
#008A4D
oklch(55.6% 0.138 154.7)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#004F2A
oklch(37.6% 0.093 154.9)
-
Step 950
950
#052F18
oklch(27% 0.062 154.3)
#009B57 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) | #9B8D52 | 0.133 |
| Deuteranopia (no green cones) | #8C825C | 0.132 |
| Tritanopia (no blue cones) | #00998A | 0.075 |
| Achromatopsia (no color) | #878787 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #009B57
#009B57
oklch(60.5% 0.151 154.6)
- #B65AA6
#B65AA6
oklch(60.4% 0.151 334.3)
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 #009B57, closest first.
No curated palette has a color within ΔE 0.04 of #009B57.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.038
- Light Forest Green #4F9153 ΔE 0.043
- Viridian #1E9167 ΔE 0.043
- Irish Green #019529 ΔE 0.047
- Jade #1FA774 ΔE 0.048
- Sea Green #2E8B57 ΔE 0.049
- Ocean Green #3D9973 ΔE 0.050
- Fern Green #548D44 ΔE 0.051
Use #009B57 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.