#30B140
Closest named color: Shamrock (#01B44C). oklch(66.8% 0.189 144.8), rgb(48, 177, 64).
Aa
Black text reads best on this color (7.48:1).
About this color
#30B140 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.189 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.013 away. Black text reads best on it, at 7.48:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.48:1 |
| White text | 2.80:1 |
Values
| HEX | #30B140 |
| RGB | rgb(48, 177, 64) |
| HSL | hsl(127, 57%, 44%) |
| OKLCH | oklch(66.8% 0.189 144.8) |
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 #30B140 | 2.80:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #30B140 | 7.48:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #30B140 text on white | 2.80:1 | Fails | Lc 53.4 | Large or bold text, headings |
| #30B140 text on black | 7.48:1 | AAA | Lc -48.4 | 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
#C5E3C5
oklch(88.6% 0.052 145.1)
-
Step 300
300
#9BD19C
oklch(80.9% 0.093 145.1)
-
Step 400
400
#5FB863
oklch(70.7% 0.148 144.7)
-
Step 500
500 (this color)
#30B140
oklch(66.8% 0.189 144.8)
-
Step 600
600
#008C22
oklch(55.6% 0.176 144.8)
-
Step 700
700
#00761B
oklch(49.2% 0.156 144.8)
-
Step 800
800
#006115
oklch(42.8% 0.135 144.8)
-
Step 900
900
#005110
oklch(37.8% 0.119 144.9)
-
Step 950
950
#05300A
oklch(27.1% 0.079 144.8)
#30B140 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) | #B4A133 | 0.140 |
| Deuteranopia (no green cones) | #A5964A | 0.141 |
| Tritanopia (no blue cones) | #00AC99 | 0.117 |
| Achromatopsia (no color) | #9A9A9A | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30B140
#30B140
oklch(66.8% 0.189 144.8)
- #CC64D4
#CC64D4
oklch(66.8% 0.19 324.7)
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 #30B140, closest first.
No curated palette has a color within ΔE 0.04 of #30B140.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.013
- Medium Green #39AD48 ΔE 0.016
- Kelly Green #02AB2E ΔE 0.027
- Grass #5CAC2D ΔE 0.029
- Leafy Green #51B73B ΔE 0.029
- Leaf Green #5CA904 ΔE 0.036
- Mid Green #50A747 ΔE 0.036
- Cool Green #33B864 ΔE 0.039
Use #30B140 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.