#04B059
Closest named color: Medium Green (#39AD48). oklch(66.3% 0.175 151.7), rgb(4, 176, 89).
Aa
Black text reads best on this color (7.35:1).
About this color
#04B059 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.175 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.020 away. Black text reads best on it, at 7.35:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.35:1 |
| White text | 2.85:1 |
Values
| HEX | #04B059 |
| RGB | rgb(4, 176, 89) |
| HSL | hsl(150, 96%, 35%) |
| OKLCH | oklch(66.3% 0.175 151.7) |
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 #04B059 | 2.85:1 | Fails | Lc -59.2 | Large or bold text, headings |
| Black text on #04B059 | 7.35:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #04B059 text on white | 2.85:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #04B059 text on black | 7.35:1 | AAA | Lc -47.9 | 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
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DEEFE2
oklch(93.6% 0.025 152.9)
-
Step 200
200
#C3E3CA
oklch(88.6% 0.048 151.8)
-
Step 300
300
#97D1A5
oklch(80.9% 0.086 151.6)
-
Step 400
400
#55B875
oklch(70.6% 0.136 152)
-
Step 500
500 (this color)
#04B059
oklch(66.3% 0.175 151.7)
-
Step 600
600
#008A44
oklch(55.5% 0.147 151.7)
-
Step 700
700
#007538
oklch(49.2% 0.131 151.5)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#003013
oklch(27.1% 0.072 151.4)
#04B059 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) | #B0A052 | 0.146 |
| Deuteranopia (no green cones) | #A0945F | 0.145 |
| Tritanopia (no blue cones) | #00AD9C | 0.095 |
| Achromatopsia (no color) | #999999 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04B059
#04B059
oklch(66.3% 0.175 151.7)
- #CE65C2
#CE65C2
oklch(66.3% 0.174 331.8)
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 #04B059, closest first.
No curated palette has a color within ΔE 0.04 of #04B059.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.020
- Shamrock #01B44C ΔE 0.021
- Jade Green #2BAF6A ΔE 0.026
- Cool Green #33B864 ΔE 0.030
- Seaweed Green #35AD6B ΔE 0.032
- Mid Green #50A747 ΔE 0.035
- Dark Pastel Green #56AE57 ΔE 0.036
- Green Teal #0CB577 ΔE 0.037
Use #04B059 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.