#03B453
Closest named color: Shamrock (#01B44C). oklch(67.3% 0.185 150), rgb(3, 180, 83).
Aa
Black text reads best on this color (7.65:1).
About this color
#03B453 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.185 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.007 away. Black text reads best on it, at 7.65:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.185) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.65:1 |
| White text | 2.74:1 |
Values
| HEX | #03B453 |
| RGB | rgb(3, 180, 83) |
| HSL | hsl(147, 97%, 36%) |
| OKLCH | oklch(67.3% 0.185 150) |
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 #03B453 | 2.74:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #03B453 | 7.65:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #03B453 text on white | 2.74:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #03B453 text on black | 7.65:1 | AAA | Lc -49.6 | 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
#EFF9F0
oklch(97.2% 0.016 148.4)
-
Step 100
100
#DBF1DE
oklch(93.7% 0.034 149.3)
-
Step 200
200
#BCE6C3
oklch(88.6% 0.065 149.8)
-
Step 300
300
#88D699
oklch(80.9% 0.116 150.1)
-
Step 400
400 (this color)
#03B453
oklch(67.3% 0.185 150)
-
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
#006029
oklch(42.7% 0.118 150)
-
Step 900
900
#005021
oklch(37.7% 0.104 150)
-
Step 950
950
#003011
oklch(27% 0.074 150)
#03B453 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) | #B5A34A | 0.151 |
| Deuteranopia (no green cones) | #A4975A | 0.150 |
| Tritanopia (no blue cones) | #00B19E | 0.104 |
| Achromatopsia (no color) | #9C9C9C | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03B453
#03B453
oklch(67.3% 0.185 150)
- #D365CB
#D365CB
oklch(67.4% 0.185 330.2)
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 #03B453, closest first.
No curated palette has a color within ΔE 0.04 of #03B453.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.007
- Medium Green #39AD48 ΔE 0.022
- Cool Green #33B864 ΔE 0.027
- Jade Green #2BAF6A ΔE 0.037
- Leafy Green #51B73B ΔE 0.037
- Kelly Green #02AB2E ΔE 0.038
- Dark Pastel Green #56AE57 ΔE 0.039
- Shamrock Green #02C14D ΔE 0.040
Use #03B453 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.