#1FCF88
Closest named color: Seaweed (#18D17B). oklch(75.6% 0.168 159.1), rgb(31, 207, 136).
Aa
Black text reads best on this color (10.33:1).
About this color
#1FCF88 is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.168 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.019 away. Black text reads best on it, at 10.33:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.33:1 |
| White text | 2.03:1 |
Values
| HEX | #1FCF88 |
| RGB | rgb(31, 207, 136) |
| HSL | hsl(156, 74%, 47%) |
| OKLCH | oklch(75.6% 0.168 159.1) |
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 #1FCF88 | 2.03:1 | Fails | Lc -43.4 | Non-text elements, placeholder text |
| Black text on #1FCF88 | 10.33:1 | AAA | Lc 65.0 | Content text, not long reading |
| #1FCF88 text on white | 2.03:1 | Fails | Lc 38.9 | Non-text elements, placeholder text |
| #1FCF88 text on black | 10.33:1 | AAA | Lc -63.5 | Content text, not long reading |
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
#EEF9F2
oklch(97.2% 0.015 158.3)
-
Step 100
100
#DAF0E3
oklch(93.5% 0.029 159.9)
-
Step 200
200
#B9E6CB
oklch(88.6% 0.06 158.6)
-
Step 300
300
#82D6A8
oklch(81% 0.106 158.9)
-
Step 400
400 (this color)
#1FCF88
oklch(75.6% 0.168 159.1)
-
Step 500
500
#00A368
oklch(63.1% 0.145 158.9)
-
Step 600
600
#008957
oklch(55.5% 0.128 159.1)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F30
oklch(37.7% 0.087 158.9)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#1FCF88 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) | #CDBE84 | 0.157 |
| Deuteranopia (no green cones) | #B9B08D | 0.153 |
| Tritanopia (no blue cones) | #00CEBD | 0.074 |
| Achromatopsia (no color) | #B6B6B6 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FCF88
#1FCF88
oklch(75.6% 0.168 159.1)
- #F382D3
#F382D3
oklch(75.7% 0.167 338.9)
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 #1FCF88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.019
- Emerald #06D6A0 ΔE 0.032
- Greenblue #23C48B ΔE 0.034
- Algae Green #21C36F ΔE 0.040
- Dark Mint #48C072 ΔE 0.042
- Dark Mint Green #20C073 ΔE 0.044
- Green Blue #01C08D ΔE 0.048
- Aqua Green #12E193 ΔE 0.049
Use #1FCF88 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.