#1FA055
Closest named color: Jade (#1FA774). oklch(62.2% 0.154 151.8), rgb(31, 160, 85).
Aa
Black text reads best on this color (6.21:1).
About this color
#1FA055 is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.154 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.040 away. Black text reads best on it, at 6.21:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.21:1 |
| White text | 3.37:1 |
Values
| HEX | #1FA055 |
| RGB | rgb(31, 160, 85) |
| HSL | hsl(145, 68%, 37%) |
| OKLCH | oklch(62.2% 0.154 151.8) |
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 #1FA055 | 3.37:1 | AA large text | Lc -66.2 | Content text, not long reading |
| Black text on #1FA055 | 6.21:1 | AA | Lc 43.3 | Non-text elements, placeholder text |
| #1FA055 text on white | 3.37:1 | AA large text | Lc 60.7 | Content text, not long reading |
| #1FA055 text on black | 6.21:1 | AA | Lc -41.0 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE3
oklch(93.6% 0.021 152.2)
-
Step 200
200
#C6E2CC
oklch(88.6% 0.042 151.8)
-
Step 300
300
#9DCFA9
oklch(80.9% 0.075 151.8)
-
Step 400
400
#61B67A
oklch(70.7% 0.121 151.7)
-
Step 500
500 (this color)
#1FA055
oklch(62.2% 0.154 151.8)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007539
oklch(49.2% 0.13 151.8)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#072F16
oklch(27% 0.063 151.7)
#1FA055 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) | #A0924F | 0.130 |
| Deuteranopia (no green cones) | #92885A | 0.128 |
| Tritanopia (no blue cones) | #009E8E | 0.081 |
| Achromatopsia (no color) | #8C8C8C | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FA055
#1FA055
oklch(62.2% 0.154 151.8)
- #BB5FB0
#BB5FB0
oklch(62.2% 0.155 331.9)
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 #1FA055, closest first.
No curated palette has a color within ΔE 0.04 of #1FA055.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.040
- Mid Green #50A747 ΔE 0.041
- Muted Green #5FA052 ΔE 0.043
- Seaweed Green #35AD6B ΔE 0.045
- Jade Green #2BAF6A ΔE 0.047
- Medium Green #39AD48 ΔE 0.048
- Kelley Green #009337 ΔE 0.048
- Light Forest Green #4F9153 ΔE 0.049
Use #1FA055 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.