#1FCA90
Closest named color: Greenblue (#23C48B). oklch(74.5% 0.155 163.2), rgb(31, 202, 144).
Aa
Black text reads best on this color (9.90:1).
About this color
#1FCA90 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.155 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.017 away. Black text reads best on it, at 9.90:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.90:1 |
| White text | 2.11:1 |
Values
| HEX | #1FCA90 |
| RGB | rgb(31, 202, 144) |
| HSL | hsl(160, 73%, 46%) |
| OKLCH | oklch(74.5% 0.155 163.2) |
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 #1FCA90 | 2.11:1 | Fails | Lc -45.6 | Large or bold text, headings |
| Black text on #1FCA90 | 9.90:1 | AAA | Lc 63.0 | Content text, not long reading |
| #1FCA90 text on white | 2.11:1 | Fails | Lc 41.0 | Non-text elements, placeholder text |
| #1FCA90 text on black | 9.90:1 | AAA | Lc -61.3 | 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
#EEF8F3
oklch(97% 0.012 164.8)
-
Step 100
100
#DAF0E5
oklch(93.6% 0.027 164.4)
-
Step 200
200
#BAE5CF
oklch(88.5% 0.054 162.9)
-
Step 300
300
#83D5AF
oklch(81% 0.098 163.2)
-
Step 400
400 (this color)
#1FCA90
oklch(74.5% 0.155 163.2)
-
Step 500
500
#00A272
oklch(63% 0.135 163.5)
-
Step 600
600
#00895F
oklch(55.7% 0.12 163.1)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#1FCA90 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) | #C6BA8D | 0.150 |
| Deuteranopia (no green cones) | #B3AC94 | 0.147 |
| Tritanopia (no blue cones) | #00CABA | 0.059 |
| Achromatopsia (no color) | #B2B2B2 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FCA90
#1FCA90
oklch(74.5% 0.155 163.2)
- #EE81C6
#EE81C6
oklch(74.4% 0.156 342.9)
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 #1FCA90, closest first.
No curated palette has a color within ΔE 0.04 of #1FCA90.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.017
- Green Blue #01C08D ΔE 0.030
- Emerald #06D6A0 ΔE 0.034
- Seaweed #18D17B ΔE 0.039
- Dark Mint #48C072 ΔE 0.039
- Dark Mint Green #20C073 ΔE 0.041
- Algae Green #21C36F ΔE 0.042
- Soft Green #6FC276 ΔE 0.048
Use #1FCA90 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.