#30B03B
Closest named color: Shamrock (#01B44C). oklch(66.5% 0.191 144.2), rgb(48, 176, 59).
Aa
Black text reads best on this color (7.39:1).
About this color
#30B03B is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.191 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.017 away. Black text reads best on it, at 7.39:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.191) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.39:1 |
| White text | 2.83:1 |
Values
| HEX | #30B03B |
| RGB | rgb(48, 176, 59) |
| HSL | hsl(125, 57%, 44%) |
| OKLCH | oklch(66.5% 0.191 144.2) |
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 #30B03B | 2.83:1 | Fails | Lc -59.2 | Large or bold text, headings |
| Black text on #30B03B | 7.39:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #30B03B text on white | 2.83:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #30B03B text on black | 7.39:1 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#DFEFDF
oklch(93.6% 0.027 145.4)
-
Step 200
200
#C5E3C4
oklch(88.6% 0.053 144.3)
-
Step 300
300
#9CD19A
oklch(80.9% 0.094 143.8)
-
Step 400
400
#5FB861
oklch(70.6% 0.15 144.2)
-
Step 500
500 (this color)
#30B03B
oklch(66.5% 0.191 144.2)
-
Step 600
600
#008C1C
oklch(55.6% 0.179 144.1)
-
Step 700
700
#007616
oklch(49.1% 0.159 144.1)
-
Step 800
800
#006110
oklch(42.8% 0.138 144.1)
-
Step 900
900
#00510C
oklch(37.8% 0.122 144.2)
-
Step 950
950
#063009
oklch(27.1% 0.079 144.1)
#30B03B 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) | #B39F2C | 0.140 |
| Deuteranopia (no green cones) | #A59546 | 0.141 |
| Tritanopia (no blue cones) | #00AB98 | 0.120 |
| Achromatopsia (no color) | #999999 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30B03B
#30B03B
oklch(66.5% 0.191 144.2)
- #CB63D4
#CB63D4
oklch(66.5% 0.191 324.4)
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 #30B03B, closest first.
No curated palette has a color within ΔE 0.04 of #30B03B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.017
- Medium Green #39AD48 ΔE 0.018
- Kelly Green #02AB2E ΔE 0.024
- Grass #5CAC2D ΔE 0.029
- Leafy Green #51B73B ΔE 0.031
- Leaf Green #5CA904 ΔE 0.034
- Mid Green #50A747 ΔE 0.037
- Dark Pastel Green #56AE57 ΔE 0.043
Use #30B03B 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.