#1FA151
Closest named color: Mid Green (#50A747). oklch(62.4% 0.159 150.6), rgb(31, 161, 81).
Aa
Black text reads best on this color (6.27:1).
About this color
#1FA151 is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.159 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.038 away. Black text reads best on it, at 6.27:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.27:1 |
| White text | 3.34:1 |
Values
| HEX | #1FA151 |
| RGB | rgb(31, 161, 81) |
| HSL | hsl(143, 68%, 38%) |
| OKLCH | oklch(62.4% 0.159 150.6) |
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 #1FA151 | 3.34:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #1FA151 | 6.27:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #1FA151 text on white | 3.34:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #1FA151 text on black | 6.27:1 | AA | Lc -41.3 | Non-text elements, placeholder text |
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
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#E0EEE2
oklch(93.5% 0.022 149.7)
-
Step 200
200
#C6E2CB
oklch(88.6% 0.043 150.5)
-
Step 300
300
#9CCFA7
oklch(80.8% 0.077 151)
-
Step 400
400
#61B677
oklch(70.6% 0.124 150.6)
-
Step 500
500 (this color)
#1FA151
oklch(62.4% 0.159 150.6)
-
Step 600
600
#008B41
oklch(55.7% 0.151 150.7)
-
Step 700
700
#007535
oklch(49.2% 0.134 150.5)
-
Step 800
800
#00602A
oklch(42.8% 0.117 150.4)
-
Step 900
900
#005022
oklch(37.7% 0.103 150.5)
-
Step 950
950
#062F14
oklch(27% 0.066 150.4)
#1FA151 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) | #A2934A | 0.132 |
| Deuteranopia (no green cones) | #938857 | 0.131 |
| Tritanopia (no blue cones) | #009E8E | 0.087 |
| Achromatopsia (no color) | #8C8C8C | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FA151
#1FA151
oklch(62.4% 0.159 150.6)
- #BB5FB3
#BB5FB3
oklch(62.4% 0.158 330.6)
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 #1FA151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.038
- Medium Green #39AD48 ΔE 0.043
- Muted Green #5FA052 ΔE 0.044
- Jade #1FA774 ΔE 0.044
- Seaweed Green #35AD6B ΔE 0.045
- Jade Green #2BAF6A ΔE 0.047
- Grass Green #3F9B0B ΔE 0.048
- Kelley Green #009337 ΔE 0.048
Use #1FA151 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.