#009551
Closest named color: Kelley Green (#009337). oklch(58.8% 0.149 153.8), rgb(0, 149, 81).
Aa
Black text reads best on this color (5.41:1).
About this color
#009551 is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.149 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.029 away. Black text reads best on it, at 5.41:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 5.41:1 |
| White text | 3.87:1 |
Values
| HEX | #009551 |
| RGB | rgb(0, 149, 81) |
| HSL | hsl(153, 100%, 29%) |
| OKLCH | oklch(58.8% 0.149 153.8) |
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 #009551 | 3.87:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #009551 | 5.41:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #009551 text on white | 3.87:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #009551 text on black | 5.41:1 | AA | Lc -36.1 | 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 600.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C7E1CE
oklch(88.5% 0.038 153.8)
-
Step 300
300
#A0CEAD
oklch(81% 0.067 153.5)
-
Step 400
400
#67B482
oklch(70.6% 0.107 154.2)
-
Step 500
500
#34A162
oklch(63.2% 0.137 153.9)
-
Step 600
600 (this color)
#009551
oklch(58.8% 0.149 153.8)
-
Step 700
700
#00743E
oklch(49% 0.124 153.9)
-
Step 800
800
#005F32
oklch(42.6% 0.107 154.1)
-
Step 900
900
#0B4F2A
oklch(37.8% 0.09 153.5)
-
Step 950
950
#0B2E19
oklch(26.9% 0.056 153.7)
#009551 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) | #95884C | 0.129 |
| Deuteranopia (no green cones) | #867D56 | 0.127 |
| Tritanopia (no blue cones) | #009385 | 0.077 |
| Achromatopsia (no color) | #818181 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #009551
#009551
oklch(58.8% 0.149 153.8)
- #AF56A1
#AF56A1
oklch(58.7% 0.149 333.6)
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 #009551, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.029
- Sea Green #2E8B57 ΔE 0.036
- Viridian #1E9167 ΔE 0.037
- Light Forest Green #4F9153 ΔE 0.040
- Irish Green #019529 ΔE 0.041
- Fern Green #548D44 ΔE 0.044
- Forest Green #228B22 ΔE 0.047
- Emerald Green #028F1E ΔE 0.049
Use #009551 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.