#19BB4F
Closest named color: Shamrock Green (#02C14D). oklch(69.3% 0.194 148), rgb(25, 187, 79).
Aa
Black text reads best on this color (8.26:1).
About this color
#19BB4F is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.194 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock Green (#02C14D), ΔE 0.018 away. Black text reads best on it, at 8.26:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.194) |
| Temperature | in between |
| Nearest name | Shamrock Green (#02C14D) |
| Black text | 8.26:1 |
| White text | 2.54:1 |
Values
| HEX | #19BB4F |
| RGB | rgb(25, 187, 79) |
| HSL | hsl(140, 76%, 42%) |
| OKLCH | oklch(69.3% 0.194 148) |
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 #19BB4F | 2.54:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #19BB4F | 8.26:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #19BB4F text on white | 2.54:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #19BB4F text on black | 8.26:1 | AAA | Lc -52.8 | 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
#EFF9EF
oklch(97.2% 0.017 145.4)
-
Step 100
100
#DBF1DD
oklch(93.7% 0.035 147.9)
-
Step 200
200
#BCE6C0
oklch(88.5% 0.068 147.6)
-
Step 300
300
#88D694
oklch(80.8% 0.121 148.2)
-
Step 400
400 (this color)
#19BB4F
oklch(69.3% 0.194 148)
-
Step 500
500
#00A542
oklch(63% 0.182 148.1)
-
Step 600
600
#008B36
oklch(55.5% 0.161 148.1)
-
Step 700
700
#00752C
oklch(49% 0.142 148)
-
Step 800
800
#006023
oklch(42.7% 0.123 148.1)
-
Step 900
900
#00501C
oklch(37.6% 0.109 148.1)
-
Step 950
950
#00300E
oklch(27% 0.077 148.3)
#19BB4F 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) | #BDAA44 | 0.153 |
| Deuteranopia (no green cones) | #AC9E58 | 0.152 |
| Tritanopia (no blue cones) | #00B7A3 | 0.113 |
| Achromatopsia (no color) | #A2A2A2 | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19BB4F
#19BB4F
oklch(69.3% 0.194 148)
- #DA69D8
#DA69D8
oklch(69.4% 0.194 328.1)
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 #19BB4F, closest first.
No curated palette has a color within ΔE 0.04 of #19BB4F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock Green #02C14D ΔE 0.018
- Shamrock #01B44C ΔE 0.021
- Leafy Green #51B73B ΔE 0.026
- Cool Green #33B864 ΔE 0.030
- Algae Green #21C36F ΔE 0.038
- Medium Green #39AD48 ΔE 0.039
- Dark Mint Green #20C073 ΔE 0.041
- Frog Green #58BC08 ΔE 0.045
Use #19BB4F 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.