#EF7F1F
Closest named color: Orange Wheel (#F77F00). oklch(70.9% 0.168 54.1), rgb(239, 127, 31).
Aa
Black text reads best on this color (7.72:1).
About this color
#EF7F1F is a medium-light, vivid orange. In OKLCH its lightness is 71%, its chroma 0.168 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Wheel (#F77F00), ΔE 0.015 away. Black text reads best on it, at 7.72:1.
| Hue family | Oranges |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Orange Wheel (#F77F00) |
| Black text | 7.72:1 |
| White text | 2.71:1 |
Values
| HEX | #EF7F1F |
| RGB | rgb(239, 127, 31) |
| HSL | hsl(28, 87%, 53%) |
| OKLCH | oklch(70.9% 0.168 54.1) |
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 #EF7F1F | 2.71:1 | Fails | Lc -57.3 | Large or bold text, headings |
| Black text on #EF7F1F | 7.72:1 | AAA | Lc 51.9 | Large or bold text, headings |
| #EF7F1F text on white | 2.71:1 | Fails | Lc 52.1 | Large or bold text, headings |
| #EF7F1F text on black | 7.72:1 | AAA | Lc -49.8 | 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
#FDF3ED
oklch(97% 0.013 53.4)
-
Step 100
100
#FBE5D7
oklch(93.6% 0.031 54.7)
-
Step 200
200
#F9D0B6
oklch(88.6% 0.058 54.2)
-
Step 300
300
#F6AE7F
oklch(80.9% 0.105 53.8)
-
Step 400
400 (this color)
#EF7F1F
oklch(70.9% 0.168 54.1)
-
Step 500
500
#D06900
oklch(63.1% 0.158 53.9)
-
Step 600
600
#B05800
oklch(55.7% 0.14 54)
-
Step 700
700
#944900
oklch(49% 0.123 54)
-
Step 800
800
#7A3B00
oklch(42.6% 0.107 54)
-
Step 900
900
#673100
oklch(37.8% 0.095 54.2)
-
Step 950
950
#3F1B00
oklch(27% 0.068 53.5)
#EF7F1F 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) | #A08D03 | 0.139 |
| Deuteranopia (no green cones) | #BBA71D | 0.125 |
| Tritanopia (no blue cones) | #FF666E | 0.105 |
| Achromatopsia (no color) | #9D9D9D | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF7F1F
#EF7F1F
oklch(70.9% 0.168 54.1)
- #00AFEF
#00AFEF
oklch(71% 0.148 233.8)
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 #EF7F1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Wheel #F77F00 ΔE 0.015
- Dusty Orange #F0833A ΔE 0.016
- Pumpkin Orange #FB7D07 ΔE 0.021
- Pumpkin #E17701 ΔE 0.033
- Dull Orange #D8863B ΔE 0.040
- Dark Orange #FF8C00 ΔE 0.045
- Coral #FF7F50 ΔE 0.048
- Faded Orange #F0944D ΔE 0.049
Use #EF7F1F 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.