#04B45E
Closest named color: Shamrock (#01B44C). oklch(67.5% 0.175 152.4), rgb(4, 180, 94).
Aa
Black text reads best on this color (7.69:1).
About this color
#04B45E is a medium-light, vivid green. In OKLCH its lightness is 67%, 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 Shamrock (#01B44C), ΔE 0.020 away. Black text reads best on it, at 7.69:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.69:1 |
| White text | 2.72:1 |
Values
| HEX | #04B45E |
| RGB | rgb(4, 180, 94) |
| HSL | hsl(151, 96%, 36%) |
| OKLCH | oklch(67.5% 0.175 152.4) |
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 #04B45E | 2.72:1 | Fails | Lc -57.3 | Large or bold text, headings |
| Black text on #04B45E | 7.69:1 | AAA | Lc 51.9 | Large or bold text, headings |
| #04B45E text on white | 2.72:1 | Fails | Lc 52.1 | Large or bold text, headings |
| #04B45E text on black | 7.69:1 | AAA | Lc -49.8 | 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
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DBF0E0
oklch(93.5% 0.031 152.9)
-
Step 200
200
#BCE5C6
oklch(88.4% 0.06 152.4)
-
Step 300
300
#88D59E
oklch(80.8% 0.109 152.4)
-
Step 400
400 (this color)
#04B45E
oklch(67.5% 0.175 152.4)
-
Step 500
500
#00A455
oklch(63% 0.164 152.5)
-
Step 600
600
#008A47
oklch(55.5% 0.144 152.6)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602F
oklch(42.8% 0.112 152.4)
-
Step 900
900
#005026
oklch(37.8% 0.099 152.3)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#04B45E 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) | #B4A457 | 0.149 |
| Deuteranopia (no green cones) | #A39864 | 0.146 |
| Tritanopia (no blue cones) | #00B1A0 | 0.094 |
| Achromatopsia (no color) | #9C9C9C | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04B45E
#04B45E
oklch(67.5% 0.175 152.4)
- #D368C5
#D368C5
oklch(67.5% 0.175 332.5)
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 #04B45E, closest first.
No curated palette has a color within ΔE 0.04 of #04B45E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.020
- Cool Green #33B864 ΔE 0.020
- Medium Green #39AD48 ΔE 0.026
- Jade Green #2BAF6A ΔE 0.026
- Green Teal #0CB577 ΔE 0.031
- Seaweed Green #35AD6B ΔE 0.033
- Medium Sea Green #3CB371 ΔE 0.033
- Dark Pastel Green #56AE57 ΔE 0.035
Use #04B45E 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.