#009B23
Closest named color: Irish Green (#019529). oklch(59.9% 0.192 144.4), rgb(0, 155, 35).
Aa
Black text reads best on this color (5.71:1).
About this color
#009B23 is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.192 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.019 away. Black text reads best on it, at 5.71:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #009B23 |
| RGB | rgb(0, 155, 35) |
| HSL | hsl(134, 100%, 30%) |
| OKLCH | oklch(59.9% 0.192 144.4) |
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 #009B23 | 3.67:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #009B23 | 5.71:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #009B23 text on white | 3.67:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #009B23 text on black | 5.71:1 | AA | Lc -38.1 | 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 500.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#DFEFDF
oklch(93.6% 0.027 145.4)
-
Step 200
200
#C5E3C4
oklch(88.6% 0.053 144.3)
-
Step 300
300
#9BD19B
oklch(80.9% 0.094 144.6)
-
Step 400
400
#5FB861
oklch(70.6% 0.15 144.2)
-
Step 500
500 (this color)
#009B23
oklch(59.9% 0.192 144.4)
-
Step 600
600
#008C1F
oklch(55.6% 0.178 144.4)
-
Step 700
700
#007618
oklch(49.1% 0.157 144.4)
-
Step 800
800
#006112
oklch(42.8% 0.137 144.4)
-
Step 900
900
#00510D
oklch(37.8% 0.121 144.3)
-
Step 950
950
#053009
oklch(27.1% 0.08 144.4)
#009B23 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) | #9E8B06 | 0.140 |
| Deuteranopia (no green cones) | #908131 | 0.141 |
| Tritanopia (no blue cones) | #009784 | 0.120 |
| Achromatopsia (no color) | #858585 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #009B23
#009B23
oklch(59.9% 0.192 144.4)
- #B54EBE
#B54EBE
oklch(59.9% 0.191 324.4)
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 #009B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.019
- True Green #089404 ΔE 0.022
- Grass Green #3F9B0B ΔE 0.024
- Grassy Green #419C03 ΔE 0.026
- Kelley Green #009337 ΔE 0.032
- Emerald Green #028F1E ΔE 0.036
- Kelly Green #02AB2E ΔE 0.047
- Forest Green #228B22 ΔE 0.047
Use #009B23 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.