#00B23C
Closest named color: Shamrock (#01B44C). oklch(66.5% 0.201 146.4), rgb(0, 178, 60).
Aa
Black text reads best on this color (7.43:1).
About this color
#00B23C is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.201 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.015 away. Black text reads best on it, at 7.43:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.201) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.43:1 |
| White text | 2.82:1 |
Values
| HEX | #00B23C |
| RGB | rgb(0, 178, 60) |
| HSL | hsl(140, 100%, 35%) |
| OKLCH | oklch(66.5% 0.201 146.4) |
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 #00B23C | 2.82:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #00B23C | 7.43:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #00B23C text on white | 2.82:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #00B23C text on black | 7.43:1 | AAA | Lc -48.4 | Large or bold text, headings |
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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DEEFDF
oklch(93.5% 0.028 147)
-
Step 200
200
#C3E3C4
oklch(88.4% 0.054 145.9)
-
Step 300
300
#97D29B
oklch(80.9% 0.098 146.3)
-
Step 400
400
#54BA62
oklch(70.7% 0.157 146.4)
-
Step 500
500 (this color)
#00B23C
oklch(66.5% 0.201 146.4)
-
Step 600
600
#008C2D
oklch(55.7% 0.169 146.3)
-
Step 700
700
#007525
oklch(49% 0.148 146.5)
-
Step 800
800
#00601D
oklch(42.6% 0.128 146.5)
-
Step 900
900
#005016
oklch(37.5% 0.114 146.3)
-
Step 950
950
#00300A
oklch(26.9% 0.081 146.4)
#00B23C 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) | #B5A12D | 0.154 |
| Deuteranopia (no green cones) | #A49547 | 0.153 |
| Tritanopia (no blue cones) | #00AE9A | 0.122 |
| Achromatopsia (no color) | #9A9A9A | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00B23C
#00B23C
oklch(66.5% 0.201 146.4)
- #D05ED3
#D05ED3
oklch(66.5% 0.2 326.5)
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 #00B23C, closest first.
No curated palette has a color within ΔE 0.04 of #00B23C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.015
- Kelly Green #02AB2E ΔE 0.021
- Medium Green #39AD48 ΔE 0.027
- Leafy Green #51B73B ΔE 0.038
- Grass #5CAC2D ΔE 0.040
- Shamrock Green #02C14D ΔE 0.043
- Leaf Green #5CA904 ΔE 0.043
- Mid Green #50A747 ΔE 0.047
Use #00B23C 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.