#04BB56
Closest named color: Shamrock (#01B44C). oklch(69.2% 0.191 149.9), rgb(4, 187, 86).
Aa
Black text reads best on this color (8.24:1).
About this color
#04BB56 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.191 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.021 away. Black text reads best on it, at 8.24:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.191) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 8.24:1 |
| White text | 2.54:1 |
Values
| HEX | #04BB56 |
| RGB | rgb(4, 187, 86) |
| HSL | hsl(147, 96%, 37%) |
| OKLCH | oklch(69.2% 0.191 149.9) |
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 #04BB56 | 2.54:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #04BB56 | 8.24:1 | AAA | Lc 54.9 | Large or bold text, headings |
| #04BB56 text on white | 2.54:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #04BB56 text on black | 8.24:1 | AAA | Lc -52.8 | 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 400.
-
Step 50
50
#EEF9F0
oklch(97.1% 0.017 151.1)
-
Step 100
100
#DBF1DE
oklch(93.7% 0.034 149.3)
-
Step 200
200
#BBE6C2
oklch(88.5% 0.066 149.6)
-
Step 300
300
#86D697
oklch(80.8% 0.119 149.9)
-
Step 400
400 (this color)
#04BB56
oklch(69.2% 0.191 149.9)
-
Step 500
500
#00A54B
oklch(63.1% 0.174 149.9)
-
Step 600
600
#008B3E
oklch(55.6% 0.154 149.9)
-
Step 700
700
#007533
oklch(49.1% 0.136 149.9)
-
Step 800
800
#006028
oklch(42.7% 0.119 149.7)
-
Step 900
900
#005021
oklch(37.7% 0.104 150)
-
Step 950
950
#003011
oklch(27% 0.074 150)
#04BB56 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) | #BCAA4D | 0.155 |
| Deuteranopia (no green cones) | #AB9D5E | 0.155 |
| Tritanopia (no blue cones) | #00B7A4 | 0.108 |
| Achromatopsia (no color) | #A2A2A2 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04BB56
#04BB56
oklch(69.2% 0.191 149.9)
- #DB69D3
#DB69D3
oklch(69.3% 0.19 330.1)
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 #04BB56, closest first.
No curated palette has a color within ΔE 0.04 of #04BB56.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.021
- Shamrock Green #02C14D ΔE 0.022
- Cool Green #33B864 ΔE 0.025
- Leafy Green #51B73B ΔE 0.031
- Algae Green #21C36F ΔE 0.034
- Dark Mint Green #20C073 ΔE 0.035
- Medium Green #39AD48 ΔE 0.038
- Dark Mint #48C072 ΔE 0.045
Use #04BB56 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.